Fatigue Property of Hot Rolled and Cold Rolled Strips

被引：0

作者：

LI Sheng-li ^{[1
]}

LI Na ^{[1
]}

PENG Xing-dong ^{[1
]}

LU Xiang-yu ^{[2
]}

LI Ji-guang ^{[1
]}

机构：

[1] School of Material and Metallurgy,University of Science and Technology Liaoning

[2] Shougang Casey Steel Co Ltd

来源：

Journal of Iron and Steel Research(International) | 2013年 / 20卷 / 02期

基金：

中国国家自然科学基金;

关键词：

hot rolled strip; cold rolled strip; fatigue property; replacement of cold rolled strip;

D O I：

10.13228/j.boyuan.issn1006-706x.2013.02.005

中图分类号：

TG335.5 [板材、带材、箔材轧制];

学科分类号：

摘要：

Tension-tension fatigue properties of hot rolled and cold rolled strips with same contents and sizes were measured by using group test method at room temperature in air. The results showed that the fatigue properties of the hot rolled strips were obviously higher than those of the cold rolled strips. The hot rolled strips with similar or higher tensile strength exhibited superior fatigue property over the cold rolled strips. Fracture morphologies observed using scanning electronic microscope (SEM) showed that the hot rolled strips exhibited larger fracture areas, indicating a slightly lower plasticity, and more even fracture microstructure and stable properties. It is feasible and reliable to replace cold rolled strips with hot rolled strips.

引用

页码：48 / 51

页数：4

共 50 条

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